drm/etnaviv: fix missing unlock on error in etnaviv_gpu_submit()

commit 45abdf35cf82e4270328c7237e7812de960ac560 upstream.

Add the missing unlock before return from function etnaviv_gpu_submit()
in the error handling case.

lst: fixed label name.

Fixes: f3cd1b064f11 ("drm/etnaviv: (re-)protect fence allocation with GPU mutex")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index b87d27859141..a336754698f8 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1305,7 +1305,7 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu,
         if (!fence) {
                 event_free(gpu, event);
                 ret = -ENOMEM;
-                goto out_pm_put;
+                goto out_unlock;
         }
 
         gpu->event[event].fence = fence;
@@ -1345,6 +1345,7 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu,
         hangcheck_timer_reset(gpu);
         ret = 0;
 
+out_unlock:
         mutex_unlock(&gpu->lock);
 
 out_pm_put: